MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites and disposable domains, indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation or redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://dep14kirov.ru/userfiles/file/jerejate.pdf In PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/chdfte4cr15sa4ihvs78m0e940/54197051901.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/nipatadifebukuku.pdfIn PDF document text
- http://hrudolf.com/userfiles/23778627837.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/35f6lp96h3mt96rujs3ncthb96/zovemifamubom.pdfIn PDF document text
- https://pincodehub.in/userfiles/file/gogiwujosirogejakukaz.pdfIn PDF document text
- http://accutindustry.com/Upload/files/20210924180250.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/eabd99c9156b66be18ab59cedd861807/zumepinigoxoloriw.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/35500981866.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/madepiw.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/bejetisitote.pdfIn PDF document text
- http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/5053999291.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/bokaxuxetakurobopisuza.pdfIn PDF document text
- http://skia22.ru/pic/file/duteban.pdfIn PDF document text
- http://homestationrealty.com/userfiles/files/52548564207.pdfIn PDF document text
- http://sgo-bage.com/public/files/files/35051531632.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/94106954225.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/zozubomutisokinenu.pdfIn PDF document text
- http://bindashnews.com/userfiles/file/sufenowavesufejabavob.pdfIn PDF document text
- http://kamakuralosgatos.com/uploads/files/94900299373.pdfIn PDF document text
- http://acrclubinversores.com/files/galeria/files/44366796976.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/wolare.pdfIn PDF document text
- http://gurgaontaxi.com/pa/trainstation/uploads/image/file/98480307549.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=periodic+table+of+elements+group+2PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB375 | 15552 bytes |
SHA-256: 72a0fcd1cd8c75ad907e090726e5c44a2462d4fdb7a4e664683ebf181f85ee93 |
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font_01_sfnt_off0000dafd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFD | 11324 bytes |
SHA-256: 66d64877df3c18c516fe21bc10efa802d8b13c4b2ee5d8df52719b2024c90fd2 |
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font_02_sfnt_off0000f539.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF539 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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